Apparatus and method for intercepting leakage of microwave
AssigneeLG Electronics Inc.
InventorsChang-Sin Park, Hyoun-Soo Hea
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Abstract
An apparatus and method for intercepting leakage of microwave includes an electrodeless bulb for generating light by microwave generated from a magnetron, a sensing unit installed outside the resonator for intercepting the microwave, for passing light generated in the electrodeless bulb and outputting a corresponding sensing signal by sensing at real time whether the microwave is leaked and a control unit for turning on or off a power supplied to the magnetron by the sensing signal, thus to prevent a fire by leakage of the microwave and secure safety of a user by intercepting the microwave leaked by damage of the resonator of the lighting apparatus using the microwave.
Claims34
An apparatus for intercepting leakage of microwave, comprising:
- an electrodeless bulb for generating light by microwave generated from a magnetron;
- a sensing unit installed outside a resonator for intercepting the microwave, for passing light generated in the electrodeless bulb and outputting a sensing signal by sensing at real time whether the microwave is leaked;
- and
- a control unit for turning on or off a power supplied to the magnetron in according with the sensing signal.
A method for intercepting leakage of microwave, comprising the steps of:
- generating a current detection signal by detecting current applied to a magnetron;
- generating an optical detection signal by detecting the light from the electrodeless bulb for generating light by microwave outputted from the magnetron;
- and
- intercepting a power supplied to the magnetron by sensing whether the microwave is leaked on the basis of the current detection signal and optical detection signal.
An apparatus for intercepting leakage of microwave in a lighting apparatus which comprises a magnetron;
- an electrodeless bulb for generating light by microwave generated from the magnetron;
- and a resonator for passing light generated from the bulb and intercepting the microwave, the apparatus further comprises:
- a sensing unit installed outside the resonator for outputting a sensing signal by sensing at real time whether the microwave is leaked;
- and
- a control unit for turning on or off a power supplied to the magnetron in according with the sensing signal.
An apparatus for intercepting leakage of microwave in a lighting apparatus which comprises a magnetron;
- an electrodeless bulb for generating light by microwave generated from the magnetron;
- a resonator for passing light generated from the bulb and intercepting the microwave;
- and a reflector for reflecting light which passed the resonator, the apparatus further comprises:
- a current detection unit for generating a current detection signal by detecting a current applied to the magnetron;
- an optical detection unit for generating a optical detection signal by detecting light generated from the electrodeless bulb;
- a control unit for outputting a control signal by determining whether the microwave is leaked on the basis of the optical detection signal and the current detection signal;
- and
- a relay unit for passing or intercepting the power applied to the magnetron in according with the control signal.
Dependencies are inferred from the claim text.